wxWidgets/include/wx/qt/dc.h
2019-04-05 11:08:53 -07:00

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5.2 KiB
C++

/////////////////////////////////////////////////////////////////////////////
// Name: wx/qt/dc.h
// Author: Peter Most, Javier Torres, Mariano Reingart
// Copyright: (c) 2010 wxWidgets dev team
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#ifndef _WX_QT_DC_H_
#define _WX_QT_DC_H_
class QPainter;
class QImage;
class WXDLLIMPEXP_FWD_CORE wxRegion;
class WXDLLIMPEXP_CORE wxQtDCImpl : public wxDCImpl
{
public:
wxQtDCImpl( wxDC *owner );
~wxQtDCImpl();
virtual bool CanDrawBitmap() const wxOVERRIDE;
virtual bool CanGetTextExtent() const wxOVERRIDE;
virtual void DoGetSize(int *width, int *height) const wxOVERRIDE;
virtual void DoGetSizeMM(int* width, int* height) const wxOVERRIDE;
virtual int GetDepth() const wxOVERRIDE;
virtual wxSize GetPPI() const wxOVERRIDE;
virtual void SetFont(const wxFont& font) wxOVERRIDE;
virtual void SetPen(const wxPen& pen) wxOVERRIDE;
virtual void SetBrush(const wxBrush& brush) wxOVERRIDE;
virtual void SetBackground(const wxBrush& brush) wxOVERRIDE;
virtual void SetBackgroundMode(int mode) wxOVERRIDE;
#if wxUSE_PALETTE
virtual void SetPalette(const wxPalette& palette) wxOVERRIDE;
#endif // wxUSE_PALETTE
virtual void SetLogicalFunction(wxRasterOperationMode function) wxOVERRIDE;
virtual wxCoord GetCharHeight() const wxOVERRIDE;
virtual wxCoord GetCharWidth() const wxOVERRIDE;
virtual void DoGetTextExtent(const wxString& string,
wxCoord *x, wxCoord *y,
wxCoord *descent = NULL,
wxCoord *externalLeading = NULL,
const wxFont *theFont = NULL) const wxOVERRIDE;
virtual void Clear() wxOVERRIDE;
virtual void DoSetClippingRegion(wxCoord x, wxCoord y,
wxCoord width, wxCoord height) wxOVERRIDE;
virtual void DoSetDeviceClippingRegion(const wxRegion& region) wxOVERRIDE;
virtual void DestroyClippingRegion() wxOVERRIDE;
virtual bool DoFloodFill(wxCoord x, wxCoord y, const wxColour& col,
wxFloodFillStyle style = wxFLOOD_SURFACE) wxOVERRIDE;
virtual bool DoGetPixel(wxCoord x, wxCoord y, wxColour *col) const wxOVERRIDE;
virtual void DoDrawPoint(wxCoord x, wxCoord y) wxOVERRIDE;
virtual void DoDrawLine(wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2) wxOVERRIDE;
virtual void DoDrawArc(wxCoord x1, wxCoord y1,
wxCoord x2, wxCoord y2,
wxCoord xc, wxCoord yc) wxOVERRIDE;
virtual void DoDrawEllipticArc(wxCoord x, wxCoord y, wxCoord w, wxCoord h,
double sa, double ea) wxOVERRIDE;
virtual void DoDrawRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height) wxOVERRIDE;
virtual void DoDrawRoundedRectangle(wxCoord x, wxCoord y,
wxCoord width, wxCoord height,
double radius) wxOVERRIDE;
virtual void DoDrawEllipse(wxCoord x, wxCoord y,
wxCoord width, wxCoord height) wxOVERRIDE;
virtual void DoCrossHair(wxCoord x, wxCoord y) wxOVERRIDE;
virtual void DoDrawIcon(const wxIcon& icon, wxCoord x, wxCoord y) wxOVERRIDE;
virtual void DoDrawBitmap(const wxBitmap &bmp, wxCoord x, wxCoord y,
bool useMask = false) wxOVERRIDE;
virtual void DoDrawText(const wxString& text, wxCoord x, wxCoord y) wxOVERRIDE;
virtual void DoDrawRotatedText(const wxString& text,
wxCoord x, wxCoord y, double angle) wxOVERRIDE;
virtual bool DoBlit(wxCoord xdest, wxCoord ydest,
wxCoord width, wxCoord height,
wxDC *source,
wxCoord xsrc, wxCoord ysrc,
wxRasterOperationMode rop = wxCOPY,
bool useMask = false,
wxCoord xsrcMask = wxDefaultCoord,
wxCoord ysrcMask = wxDefaultCoord) wxOVERRIDE;
virtual void DoDrawLines(int n, const wxPoint points[],
wxCoord xoffset, wxCoord yoffset ) wxOVERRIDE;
virtual void DoDrawPolygon(int n, const wxPoint points[],
wxCoord xoffset, wxCoord yoffset,
wxPolygonFillMode fillStyle = wxODDEVEN_RULE) wxOVERRIDE;
// Use Qt transformations, as they automatically scale pen widths, text...
virtual void ComputeScaleAndOrigin() wxOVERRIDE;
void QtPreparePainter();
virtual void* GetHandle() const wxOVERRIDE { return (void*) m_qtPainter; }
protected:
virtual QPixmap *GetQPixmap() { return m_qtPixmap; }
QPainter *m_qtPainter;
QPixmap *m_qtPixmap;
wxRegion m_clippingRegion;
private:
enum wxQtRasterColourOp
{
wxQtNONE,
wxQtWHITE,
wxQtBLACK,
wxQtINVERT
};
wxQtRasterColourOp m_rasterColourOp;
QColor *m_qtPenColor;
QColor *m_qtBrushColor;
void ApplyRasterColourOp();
wxDECLARE_CLASS(wxQtDCImpl);
wxDECLARE_NO_COPY_CLASS(wxQtDCImpl);
};
#endif // _WX_QT_DC_H_